@misc{_N_[1944],
 copyright={Public Domain},
 journal={Vogels Karte von Mitteleuropa. Fliegerkarte},
 address={Gotha},
 howpublished={online},
 year={[1944]},
 publisher={Justus Perthes},
 language={ger},
 title={N 34- SW Warschau-West},
 type={Image},
 keywords={topographic maps, aerial maps, Central-Western Poland},
}